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Table 2 Reported cases of CsA-related neurotoxicity (excluding PRES) in patients with SRNS

From: First known case of catatonia due to cyclosporine A-related neurotoxicity in a pediatric patient with steroid-resistant nephrotic syndrome

Reference

Age (years)/ Gender

Renal diagnosis

CsA plasma level at time of episode (ng/mL)

Other medications at time of episode

Neurologic signs/symptoms

EEG findings

CT/MRI findings

[9]

4/F

SRNS MesPGN

132

Not reported

Altered conciousness, seizures, cortical blindness

n/a

MRI: Increased T2 intensity and restricted diffusion on DWI/ADC in P, O, W, G

[9]

11/M

SRNS FSGS

141

Not reported

Altered conciousness, seizures

n/a

MRI: Increased T2 intensity and restricted diffusion on DWI/ADC in P, Fr, W

[9]

15/F

SRNS IgA nephropathy

263

Not reported

Altered conciousness, seizures

n/a

CT: hypodense zones in P, O

[10]

6.5/F

SRNS MCD

172

Prednisolone (35 mg/day) Sodium valproate (1 mg/kg IV per hour) Phenobarbital (10 mg/kg IV)

Headache, confusion, hallucinations, seizures, coma

Focus of slow paroxysmal activity in posterior right leads

CT: normal MRI: contrast enhancement in corticosubcortical areas of P and Fr bilaterally (resolved at 3 month comparison study)

[10]

12/F

SRNS MesPGN

203

Prednisolone (60 mg every other day)

Headache, confusion, seizures, status epilepticus

Slow activity (consistent with therapeutic coma) with left occipital spikes

CT: normal MRI: Increased T2 intensity in cortex and cortico-subcortical junction of medial left P and bilateral Fr

[13]

10/M

SRNS FSGS

85.55

Prednisone (2 mg/mg/day)

Anxiety, tremor, headache, neck pain

Normal

CT: “small widening sulcus on brain surface”

  1. CsA: cyclosporine A, PRES: posterior reversible encephalopathy syndrome, SRNS: steroid-resistant nephrotic syndrome, EEG: electroencephalogram, CT: comptuted tomography, MRI: magnetic resonance imaging, MesPGN: mesangial proliferative glomerulonephritis, T2: T2-weighted imaging, DWI: diffusion-weighted imaging, ADC: apparent diffusion coefficient mapping, P: parietal region, O: occipital region, W: white matter, G: gray matter, FSGS: focal segmental glomerulosclerosis, Fr: frontal region, MCD: minimal change disease, IV: intravenous